Application-based Next-Generation Antibody Drug segmentation shapes demand trajectories because each therapeutic area commands distinct clinical urgency, pricing latitude, and regulatory pathway. Oncology retains the largest revenue imprint—over 55 % share—propelled by accelerated approvals for bispecific and antibody-drug conjugates targeting HER2, PD-1/PD-L1, and BCMA, where premium pricing above USD 120 k per treatment cycle is tolerated. Autoimmune/inflammatory indications form the second pillar, growing 18 % CAGR as Fc-engineered antibodies and tissue-targeting nanobodies reduce dosing frequency and systemic toxicity, creating payer preference. Infectious disease applications, still nascent, leverage broadly neutralizing antibodies for RSV and multi-drug resistant bacteria, while hematological malignancies and ophthalmology add specialized but high-value niches that collectively broaden the addressable market beyond classical blockbuster oncology models.